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Civil Engineering/slab modelling in ethaps

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Question
i am always confused in the concept of shell ,membrane and plate . I want to model solid slab in ethaps.what shall i use from the above three,for flat slab ,waffle ,ribbed slab also? Sorry for my english thanks.

Answer
Dear Teme

membrane is a 2 dimensional element with axial stress only.

Shell is a 2 dimensional element with axial and shear stress.

Plate is  dimensional element with all components of axial and shear stress.

For a slab it is ok to use shell element.

Regards
BEH

Civil Engineering

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Babak Esmailzadeh Hakimi

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